Digital And Film X-ray

20 Questions | By Remerson89 | Updated: Mar 20, 2022 | Attempts: 296

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1.

The moire effect is a grid error that occurs when using......
- A.
  
  Stationary grid
- B.
  
  Moving grid
- C.
  
  Rotating anode
- D.
  
  Stationary anode
2.

MAs is selected according to
- A.
  
  The number of photons needed
- B.
  
  The amount of penetration needed
- C.
  
  The patients skin color
- D.
  
  The type of machine you are using
3.

What does TFT stand for?
- A.
  
  Thin film transistor
- B.
  
  Thin filament type
- C.
  
  Thin film transmitter
- D.
  
  Thin filament twining
4.

The TFTs surface has a thin layer of what on it?
- A.
  
  Amorphous selenium
- B.
  
  Titanium oxide
- C.
  
  Tungsten
- D.
  
  Molybdenum
5.

Which type of detector uses a scintillator?
- A.
  
  Indirect acquisition
- B.
  
  Direct acquisition
6.

Pixels are...
- A.
  
  Basic picture element
- B.
  
  Square table of numbers
- C.
  
  Three dimensional volume
- D.
  
  A movie starring Adam Sandler
7.

A matrix is.....
- A.
  
  Square table of numbers
- B.
  
  A picture element
- C.
  
  A three dimensional volume correlating to each pixel
- D.
  
  A place you are stuck in till you take the red pill
8.

What is the term for the amount of recorded detail in digital images?
- A.
  
  Spatial resolution
- B.
  
  RD
- C.
  
  Sharpness
- D.
  
  DR detail
9.

Which has higher spatial resolution?
- A.
  
  Film/screen
- B.
  
  DR
- C.
  
  CR
- D.
  
  3DR
10.

What typically causes quantum mottle?
- A.
  
  Low mAs
- B.
  
  Low kvp
- C.
  
  High kvp
- D.
  
  Not enough seconds
11.

Window level adjusts what?
- A.
  
  Brightness
- B.
  
  Contrast
- C.
  
  Spatial resolution
- D.
  
  Matrix
12.

Window width adjusts what?
- A.
  
  Contrast
- B.
  
  Brightness
- C.
  
  Spatial resolution
- D.
  
  Matrix size
13.

Shuttering is...
- A.
  
  Electronic collimation
- B.
  
  Error with machine
- C.
  
  Repeat exposure
- D.
  
  Melding of images together into a complete larger picture
14.

Which healthcare information system holds the radiology-specific information (scheduling and patient data)?
- A.
  
  RIS
- B.
  
  HIS
- C.
  
  PACS
- D.
  
  DICOM
15.

Fixing an xray film will...
- A.
  
  Remove silver halides
- B.
  
  Dry the film
- C.
  
  Add silver halides
- D.
  
  Clean the film
16.

Film X-rays are stored for how many years
- A.
  
  5 - 7 years
- B.
  
  10 - 12 years
- C.
  
  6 - 8 years
- D.
  
  3 - 4 years
17.

The first automatic processor was developed by what company?
- A.
  
  Kodak
- B.
  
  General Electric
- C.
  
  Phillips
- D.
  
  Halogic
18.

How many feet from your work station should your safelight be in the dark room?
- A.
  
  4 feet
- B.
  
  10 feet
- C.
  
  8 feet
- D.
  
  6 feet
19.

PSP stands for .....
- A.
  
  Photostimulable phosphor plate
- B.
  
  Phosphoricstimulable plate
- C.
  
  Photostimulable populating plate
- D.
  
  Playstation portable
20.

Soft-copy Display is
- A.
  
  Images on a monitor
- B.
  
  Laser prints
- C.
  
  Film
- D.
  
  CD